Cryptology ePrint Archive: BibTeX Citation of Report 2002/008

@misc{cryptoeprint:2002:008,
    author = {Paulo S.L.M. Barreto and Hae Y. Kim and Ben Lynn and Michael Scott},
    title = {Efficient Algorithms for Pairing-Based Cryptosystems},
    howpublished = {Cryptology ePrint Archive, Report 2002/008},
    year = {2002},
    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.