Most efforts(using proxy or editing hosts file, for example) to bypass The Wall can work, . I’m going to write 2 methods dedicated for blogspot.
The easier way is to use pkblogs, who provides accesss to blogs “blocked in India, Pakistan, Iran or China”. But I think pkblogs itself may be blocked soon.
The more technical way (by Dance In The Dark) is to assign “*.blogspot.com” to an alternative IP address which is not banned yet, by configuring proxy settings of Firefox with following steps:

USA VPN