Cryptology ePrint Archive: BibTeX Citation of Report 2008/516

@misc{cryptoeprint:2008:516,
    author = {Zheng Yuan and Keting Jia and Wei Wang and Xiaoyun Wang},
    title = {Distinguishing and Forgery Attacks on Alred  and Its AES-based Instance Alpha-MAC},
    howpublished = {Cryptology ePrint Archive, Report 2008/516},
    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.