Cryptology ePrint Archive: BibTeX Citation of Report 2008/006

@misc{cryptoeprint:2008:006,
    author = {Ralf Kuesters and Max Tuengerthal},
    title = {Joint State Theorems for Public-Key Encryption and Digital Signature Functionalities with Local Computation},
    howpublished = {Cryptology ePrint Archive, Report 2008/006},
    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.