Cryptology ePrint Archive: BibTeX Citation of Report 2007/313

@misc{cryptoeprint:2007:313,
    author = {Shengbao Wang and Zhenfu Cao and Zhaohui Cheng and Kim-Kwang Raymond Choo},
    title = {Perfect Forward Secure Identity-Based Authenticated Key Agreement Protocol in the Escrow Mode},
    howpublished = {Cryptology ePrint Archive, Report 2007/313},
    year = {2007},
    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.