@misc{W2117685508,
  author = {Dan Boneh and Xavier Boyen},
  title = {Efficient Selective-ID Secure Identity-Based Encryption Without Random Oracles},
  year = {2004},
  howpublished = {Lecture notes in computer science},
  doi = {https://doi.org/10.1007/978-3-540-24676-3\_14}
}