Cryptology ePrint Archive: BibTeX Citation of Report 2007/194

@misc{cryptoeprint:2007:194,
    author = {Ernie Brickell and Jiangtao Li},
    title = {Enhanced Privacy ID: A Direct Anonymous Attestation Scheme with Enhanced Revocation Capabilities},
    howpublished = {Cryptology ePrint Archive, Report 2007/194},
    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.