Linear approximation of block ciphers

Reference:

Kaisa Nyberg. Linear approximation of block ciphers. In Advances in Cryptology - EUROCRYPT'94, volume 950 of Lecture Notes in Computer Science. Springer-Verlag, 1995.

Suggested BibTeX entry:

@inproceedings{nyberg:ec94,
    author = {Kaisa Nyberg},
    booktitle = {Advances in Cryptology - {EUROCRYPT'94}},
    publisher = {Springer-Verlag},
    series = {Lecture Notes in Computer Science},
    title = {Linear approximation of block ciphers},
    volume = {950},
    year = {1995},
}