I needed to create a SharePoint 2013 Visual WebPart in Visual Studio 2012. This is the template, I was getting by default:
Now, if you google Office Developer Tools, you’ll be automatically redirected to the page of Office Developer Tools for Visual Studio 2015. There’s no menu available to choose a different version of it. You have to directly download it from the following url,
The above link will download the Web Platform Installer. Thereafter, installing it is pretty straightforward.
Post installation