Cryptology ePrint Archive: BibTeX Citation of Report 2000/055

@misc{cryptoeprint:2000:055,
    author = {Ronald Cramer and Ivan Damg{\aa}rd and Jesper Buus Nielsen},
    title = {Multiparty Computation from Threshold Homomorphic Encryption},
    howpublished = {Cryptology ePrint Archive, Report 2000/055},
    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.