@misc{cryptoeprint:2015:921,
    author = {Kwangsu Lee and Jong Hwan Park},
    title = {Identity-Based Revocation from Subset Difference Methods under Simple Assumptions},
    howpublished = {Cryptology ePrint Archive, Report 2015/921},
    year = {2015},
    url = {https://eprint.iacr.org/2015/921},
}