Cryptology ePrint Archive: BibTeX Citation of Report 2011/459

@misc{cryptoeprint:2011:459,
    author = {Joan Daemen and Tony Dusenge and Gilles Van Assche},
    title = {Sufficient conditions for sound hashing using a truncated permutation},
    howpublished = {Cryptology ePrint Archive, Report 2011/459},
    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.