@misc{cryptoeprint:2018:330,
    author = {Joseph K. Liu and Tsz Hon Yuen and Peng Zhang and Kaitai Liang},
    title = {Time-Based Direct Revocable Ciphertext-Policy Attribute-Based Encryption  with  Short Revocation List},
    howpublished = {Cryptology ePrint Archive, Report 2018/330},
    year = {2018},
    url = {https://eprint.iacr.org/2018/330},
}