%% You should probably cite draft-simpson-ipsec-cbcs-00 instead of this revision.
@techreport{simpson-ipsec-cbcs-01,
    number =    {draft-simpson-ipsec-cbcs-01},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-simpson-ipsec-cbcs/01/},
    author =    {William A. Simpson},
    title =     {{ESP with Cipher Block CheckSums (CBCS)}},
    pagetotal = 14,
    year =      1997,
    month =     aug,
    day =       9,
    abstract =  {This document describes the Cipher Block Chaining mode with addi- tional single or double parallel CheckSums for integrity, used with a number of Internet Encapsulating Security Payload (ESP) transforms. This version is described in terms of 64-bit block ciphers, but can be expanded to other block sizes.},
}