%% You should probably cite draft-sa-idr-maxprefix instead of this I-D.
@techreport{sa-grow-maxprefix-01,
    number =    {draft-sa-grow-maxprefix-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-sa-grow-maxprefix/01/},
    author =    {Job Snijders and Melchior Aelmans},
    title =     {{BGP Maximum Prefix Limits}},
    pagetotal = 7,
    year =      2018,
    month =     dec,
    day =       27,
    abstract =  {This document describes mechanisms to limit the negative impact of route leaks {[}RFC7908{]} and/or resource exhaustion in BGP-4 {[}RFC4271{]} implementations.},
}