Yes you can create a back-link in blogger by creating a new blog or there are many site still allow other people contribution and actually it is blogger. so send them an article and get a back-link in back in author bio. Also some blog sites are allow comment so you can drop there your link.
Creating back-link through blogger is the best idea to promote website on Search engine. back-link of blogger is created with the help of blog posting with quality content. more the quality content can help to improve quality of back-links.