Cryptology ePrint Archive: BibTeX Citation of Report 2013/627

@misc{cryptoeprint:2013:627,
    author = {Jiawei Yuan and Shucheng Yu},
    title = {Flexible and Publicly Verifiable Aggregation Query for Outsourced Databases in Cloud},
    howpublished = {Cryptology ePrint Archive, Report 2013/627},
    year = {2013},
    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.