Cryptology ePrint Archive: BibTeX Citation of Report 2008/321

@misc{cryptoeprint:2008:321,
    author = {Ivan Damg{\aa}rd and Martin Geisler and Mikkel Kr{\o}igaard},
    title = {A correction to ``Efficient and Secure Comparison for On-Line Auctions''},
    howpublished = {Cryptology ePrint Archive, Report 2008/321},
    year = {2008},
    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.