@conference{conference,
  author = {Stephen Bullock and G Brennen},
  title = {Characterizing the Entangling Capacity of n-qubit Computations},
  year = {2004},
  number = {5436},
  month = {2004-04-30},
  publisher = {Proceedings of the SPIE, SPIE Defense \& Secutiry Symposium},
  language = {en},
}