Cryptology ePrint Archive: BibTeX Citation of Report 2008/542

@misc{cryptoeprint:2008:542,
    author = {Keting Jia and Xiaoyun Wang and Zheng Yuan and Guangwu Xu },
    title = {Distinguishing Attack and Second-Preimage Attack on the CBC-like MACs},
    howpublished = {Cryptology ePrint Archive, Report 2008/542},
    year = {2008},
    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.