%% You should probably cite rfc2640 instead of this I-D.
@techreport{ietf-ftpext-intl-ftp-06,
    number =    {draft-ietf-ftpext-intl-ftp-06},
    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-ftpext-intl-ftp/06/},
    author =    {Bill Curtin},
    title =     {{Internationalization of the File Transfer Protocol}},
    pagetotal = 27,
    year =      1999,
    month =     apr,
    day =       2,
    abstract =  {This document addresses the internationalization (I18n) of FTP, which includes supporting the multiple character sets and languages found throughout the Internet community. This is achieved by extending the FTP specification and giving recommendations for proper internationalization support. {[}STANDARDS-TRACK{]}},
}