@inproceedings{bsrevisit,
  author       = {Schr\"{o}der, Dominique and Unruh, Dominique},
  title        = {Security of Blind Signatures Revisited},
  booktitle    = {PKC 2012},
  series       = {LNCS},
  volume       = {7293},
  year         = {2012},
  pages        = {662-679},
  note         = {Preprint on IACR ePrint 2011/316}
}