Cryptology ePrint Archive: BibTeX Citation of Report 2009/197

@misc{cryptoeprint:2009:197,
    author = {Jian Guo and Krystian Matusiewicz and Lars R. Knudsen and San Ling and Huaxiong Wang},
    title = {Practical pseudo-collisions for hash functions ARIRANG-224/384},
    howpublished = {Cryptology ePrint Archive, Report 2009/197},
    year = {2009},
    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.