Cryptology ePrint Archive: BibTeX Citation of Report 2008/132

@misc{cryptoeprint:2008:132,
    author = {Juan A. Garay and Aggelos Kiayias and Hong-Sheng Zhou},
    title = {A Framework for the Sound Specification of Cryptographic Tasks},
    howpublished = {Cryptology ePrint Archive, Report 2008/132},
    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.