[Tex/LaTex] «Undefined reference» when using an URL in Bibtex

bibliographiesbibtexurls

I'm trying to cite a Webpage in a latex report but it always fails during the compilation.
Here is my .tex :

\documentclass[a4paper,10pt]{report}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{url}
\usepackage[spanish]{babel}

% Commandes personnalisées

\title{My lovely test}
\author{Me}
\date{10/23/13}

\begin{document}
\maketitle
I love to use Google\cite{google}

\bibliographystyle{ieeetr-fr}
\bibliography{bibliography.bib}
\end{document}

And my .bib

@misc{
google,
Author={Google},
Howpublished={\url{http://www.google.com}},
Title={Google what else}
}

But when compiling, I've got this error:

l.1 \begin{thebibliography}{1}
[1] ! Undefined control sequence. l.6 …eauteurs\bgroup Google\egroup\egroup{}, \og
Google what else\fg{}. ! Undefined control sequence. l.6 …le\egroup\egroup{},
\og Google what else\fg
{}. (/usr/share/texmf-dist/tex/latex/base/t1cmtt.fd)) [2] (./test.aux)

What's wrong in my code?

Best Answer

As indicated in the name, ieeetr-fr is an adaptation of the IEEE style for use in French. As such, it hard-codes in an assumption that babel is loaded with the french option to define for example \fg. You will either need to load babel appropriately or use a different style (say the standard IEEE one).

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