Aluko scored against Bayern Munich during the Dons' Uefa Cup run last season and Miller is keen to see European football returning to Aberdeen.
"Last year was a fabulous year and being in Europe has given us a taste for it and that's where we want to be again," Miller said.
"We're bitterly disappointed we didn't make that last year, but we're getting back up the league, we're climbing back up there slowly and we've got the Scottish Cup, so that's a realistic target for us.
"Europe is difficult. It's difficult to get to and it's difficult to sustain a challenge in Europe, so I think last year was pretty good going by the manager and the players and it is something we'd like to do again.
"If you get to the later stages, it is financially very exciting."
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