@article{Nielson01Cryptographic,
  author = {Flemming Nielson and Hanne Riis Nielson and Helmut Seidl},
  title = {Cryptographic {A}nalysis in {C}ubic {T}ime},
  journal = {Electr. Notes Theor. Comput. Sci.},
  year = 2001,
  volume = {62},
}