Cryptology ePrint Archive: BibTeX Citation of Report 2005/191

@misc{cryptoeprint:2005:191,
    author = {Joonsang Baek and Reihaneh Safavi-Naini and Willy Susilo},
    title = {Public Key Encryption with Keyword Search Revisited},
    howpublished = {Cryptology ePrint Archive, Report 2005/191},
    year = {2005},
    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.