@misc{cryptoeprint:2014:132,
    author = {Kwangsu Lee and Dong Hoon Lee and Jong Hwan Park},
    title = {Efficient Revocable Identity-Based Encryption via Subset Difference Methods},
    howpublished = {Cryptology ePrint Archive, Report 2014/132},
    year = {2014},
    url = {https://eprint.iacr.org/2014/132},
}