@misc{cryptoeprint:2006:238,
    author = {Hyun-A Park, Yu Jeong Lee, and Dong Hoon Lee},
    title = {Searchable Index Schemes for Groups : Security vs. Efficiency},
    howpublished = {Cryptology ePrint Archive, Report 2006/238},
    year = {2006},
    url = {http://eprint.iacr.org/2006/238},
}