Cryptology ePrint Archive: BibTeX Citation of Report 2011/598

@misc{cryptoeprint:2011:598,
    author = {Jean-Charles Faugère and  Ludovic Perret and Christophe Petit and Guénaël Renault},
    title = {New Subexponential Algorithms for Factoring in $SL(2,\fq)$},
    howpublished = {Cryptology ePrint Archive, Report 2011/598},
    year = {2011},
    note = {\url{http://eprint.iacr.org/}},
}

You will need the url.sty package (comes with most LaTeX installations) for the last line. Otherwise, remove the \url command.