Cryptology ePrint Archive: BibTeX Citation of Report 2000/008

@misc{cryptoeprint:2000:008,
    author = {Ivan Damg{\aa}rd and Mads Jurik},
    title = {Efficient Protocols based on Probabilistic Encryption using Composite Degree Residue Classes},
    howpublished = {Cryptology ePrint Archive, Report 2000/008},
    year = {2000},
    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.