%% You should probably cite draft-ietf-extra-imap-64bit instead of this I-D.
@techreport{melnikov-imap-64bit-01,
    number =    {draft-melnikov-imap-64bit-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-melnikov-imap-64bit/01/},
    author =    {Alexey Melnikov and Jayantheesh},
    title =     {{64bit body part and message sizes in IMAP4}},
    pagetotal = 6,
    year =      2016,
    month =     oct,
    day =       31,
    abstract =  {This document defines an IMAPv4rev1 extension that extends the existing IMAPv4rev1 32 Bit message and body part sizes to 63 bit.},
}