@inproceedings{qtc,
  author       = {Unruh, Dominique},
  title        = {Revocable quantum timed-release encryption},
  booktitle    = {Eurocrypt 2014},
  series       = {LNCS},
  volume       = {8441},
  year         = {2014},
  publisher    = {Springer},
  pages        = {129-146},
  note         = {Preprint on IACR ePrint 2013/606}
}