Cryptology ePrint Archive: BibTeX Citation of Report 2004/020

@misc{cryptoeprint:2004:020,
    author = {Yevgeniy Dodis and Michael J. Freedman and Stanislaw Jarecki and Shabsi Walfish},
    title = {Optimal Signcryption from Any Trapdoor Permutation},
    howpublished = {Cryptology ePrint Archive, Report 2004/020},
    year = {2004},
    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.