Cryptology ePrint Archive: BibTeX Citation of Report 2007/358

@misc{cryptoeprint:2007:358,
    author = {Jonathan Katz and Chiu-Yuen Koo and Ranjit Kumaresan},
    title = {Improving the Round Complexity of VSS in Point-to-Point Networks},
    howpublished = {Cryptology ePrint Archive, Report 2007/358},
    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.