Cryptology ePrint Archive: BibTeX Citation of Report 2003/106

@misc{cryptoeprint:2003:106,
    author = {Tadayoshi Kohno and John Viega and Doug Whiting},
    title = {CWC: A high-performance conventional authenticated encryption mode},
    howpublished = {Cryptology ePrint Archive, Report 2003/106},
    year = {2003},
    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.