Cryptology ePrint Archive: BibTeX Citation of Report 2010/504

@misc{cryptoeprint:2010:504,
    author = {Charles Bouillaguet and Jean-Charles  Faugère and   Pierre-Alain Fouque and Ludovic Perret},
    title = {Practical Cryptanalysis of the Identification Scheme Based on the Isomorphism of Polynomial with One Secret Problem},
    howpublished = {Cryptology ePrint Archive, Report 2010/504},
    year = {2010},
    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.