Cryptology ePrint Archive: BibTeX Citation of Report 2008/041

@misc{cryptoeprint:2008:041,
    author = {Hassan Elkamchouchi and Yasmine Abouelseoud},
    title = {A New Proxy Identity-Based Signcryption Scheme for Partial Delegation of Signing Rights},
    howpublished = {Cryptology ePrint Archive, Report 2008/041},
    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.