The Iron won through to this stage of the competition thanks to a 2-0 win at Accrington Stanley on Tuesday night.
The game will take place at Glanford Park in the week beginning Monday August 22.
Full draw: Millwall v Morecambe, Blackburn Rovers v Sheff Wed, Bury v Leicester City, West Ham/Aldershot v Carlisle United, Bournemouth v West Bromwich Albion, Crystal Palace/Crawley v Wigan Athletic, Peterborough v Middlesbrough, Aston Villa v Hereford, Bristol City/Swindon Town v Southampton, Exeter v Liverpool, Everton v Sheffield United, Brighton v Sunderland, Shrewsbury v Swansea City, Reading/Charlton v Preston, Norwich v MK Dons, Northampton v Wolves, Wycombe v Nottingham Forest, Bolton v Macclesfield, Burnley v Barnet, Scunthorpe v Newcastle, Leyton Orient v Watford/Bristol Rovers, Doncaster v Leeds, Cardiff v Huddersfield, QPR v Rochdale