Cryptology ePrint Archive: BibTeX Citation of Report 2007/430

@misc{cryptoeprint:2007:430,
    author = {Scott Contini and  Krystian Matusiewicz and Josef Pieprzyk and Ron Steinfeld and Jian Guo and San Ling and Huaxiong Wang},
    title = {Cryptanalysis of LASH},
    howpublished = {Cryptology ePrint Archive, Report 2007/430},
    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.