%% You should probably cite draft-ietf-babel-rtt-extension instead of this I-D.
@techreport{jonglez-babel-rtt-extension-01,
    number =    {draft-jonglez-babel-rtt-extension-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-jonglez-babel-rtt-extension/01/},
    author =    {Baptiste Jonglez and Juliusz Chroboczek},
    title =     {{Delay-based Metric Extension for the Babel Routing Protocol}},
    pagetotal = 9,
    year =      2015,
    month =     may,
    day =       27,
    abstract =  {This document defines an extension to the Babel routing protocol that uses symmetric delay in metric computation and therefore makes it possible to prefer lower latency links to higher latency ones.},
}