%% You should probably cite rfc1345 instead of this I-D.
@techreport{ietf-822ext-charsets-04,
    number =    {draft-ietf-822ext-charsets-04},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-ietf-822ext-charsets/04/},
    author =    {Keld Simonsen},
    title =     {{Character Mnemonics and Character Sets}},
    pagetotal = 103,
    year =      1992,
    month =     feb,
    day =       25,
    abstract =  {This memo lists a selection of characters and their presence in some coded character sets. This memo provides information for the Internet community. It does not specify an Internet standard.},
}