@article{Shor2000SimplePO,
  title={Simple proof of security of the BB84 quantum key distribution protocol},
  author={Peter W. Shor and John Preskill},
  journal={Physical review letters},
  year={2000},
  volume={85 2},
  pages={
          441-4
        },
  url={https://api.semanticscholar.org/CorpusID:703220}
}