Cryptology ePrint Archive: BibTeX Citation of Report 2006/405

@misc{cryptoeprint:2006:405,
    author = {Aslak Bakke Buan and Kristian Gj\o steen and Lillian Kr\aa kmo},
    title = {Universally Composable Blind Signatures in the Plain Model},
    howpublished = {Cryptology ePrint Archive, Report 2006/405},
    year = {2006},
    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.