Cryptology ePrint Archive: BibTeX Citation of Report 2007/141

@misc{cryptoeprint:2007:141,
    author = {Vivien Dubois and Pierre-Alain Fouque and Adi Shamir and Jacques Stern},
    title = {Practical Cryptanalysis of SFLASH},
    howpublished = {Cryptology ePrint Archive, Report 2007/141},
    year = {2007},
    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.