Cryptology ePrint Archive: BibTeX Citation of Report 2002/053

@misc{cryptoeprint:2002:053,
    author = {Matthias Fitzi and Martin Hirt and Thomas Holenstein and J\"urg Wullschleger},
    title = {Extended Validity and Consistency in Byzantine Agreement},
    howpublished = {Cryptology ePrint Archive, Report 2002/053},
    year = {2002},
    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.