Butland is on-loan with Barnsley.
"I've always wanted to be an England international. I want to get back in the squad and I want to go to the World Cup in the summer," he told Sky Sports News.
"That has been my target from the start of the season. If I wasn't playing it would be impossible for me to go.
"By coming here for three months, taking me up to the window in January, gives me the opportunity to get game time, to improve and to help here which will give me confidence.
"Ideally, in the second half of the season I would like to nick a Premier league loan move, which would be the ideal scenario, but I just need to keep playing."
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